Flight Don Mueang International Airport departs from Bangkok Don Mueang International Airport at 16:45 and arrives at Chiang Mai Chiang Mai International Airport at 18:00.
The flighttime is about 1h 15m. The distance travelled ("as the bird flies"): 204 Km. So the average speed is roughly 163 Km.
The best day to arrive at Bangkok is Tuesday and it would be best to avoid Friday, as prices are on average 56.76% higher than on Tuesday. (Average prices, based on 22018907 datapoints.)
We have a lot more statistics for flights SL 514 and between Bangkok and Chiang Mai.
